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Euler's Identity T-Shirt
Sale Price $17.96. Original Price $22.45. Comp. value
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Tau is the new Pi Cards
Sale Price $3.75. Original Price $4.16. Comp. value
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T-Rex Detector Mug
Sale Price $14.33. Original Price $16.85. Comp. value
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"Tau is the new Pi" T-Shirt
Sale Price $17.16. Original Price $21.45. Comp. value
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Tau is the new Pi Coffee Mug
Sale Price $14.33. Original Price $16.85. Comp. value
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Tau is the new Pi Neck Tie
Sale Price $26.37. Original Price $29.30. Comp. value